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shepuryov [24]
3 years ago
9

Which substance is a source of hydrocarbons? A. natural gas B. protein C. silk D. starch E. water

Chemistry
2 answers:
oee [108]3 years ago
5 0

A. Natural Gas is a substance that is a source of hydrocarbons.

kifflom [539]3 years ago
4 0
The answer is natural gas
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Write the balanced electrochemical reaction for when zinc reacts with a copper solution. Label what is being oxidized and what i
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The balanced equation would be Zn + Cu^{2+} ---- > Cu + Zn^{2+}

<h3>Electrochemical equations</h3>

Zn reacts with Cu solution according to the following equation:

Zn + Cu^{2+} ---- > Cu + Zn^{2+}

In the reaction, Cu^{2+} is reduced according to the following: Cu^{2+} + 2 e^- -- > Cu

While Zn is oxidized according to the following: Zn - 2e^- --- > Zn^{2+}

Thus, giving the overall equation of; Zn + Cu^{2+} ---- > Cu + Zn^{2+}

More oxidation-reduction equations can be found here: brainly.com/question/13699873

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